Initial code for MSI/SteelSeries 3-Zone laptop keyboards

Controllers/MSI3ZoneController/MSI3ZoneController.cpp

@@ -0,0 +1,78 @@
+/*-----------------------------------------*\
+|  MSI3ZoneController.cpp                   |
+|                                           |
+|  Driver for MSI/Steelseries 3-Zone        |
+|  Keyboard lighting controller             |
+|                                           |
+|  Adam Honse (CalcProgrammer1) 12/25/2019  |
+\*-----------------------------------------*/
+
+#include "MSI3ZoneController.h"
+
+MSI3ZoneController::MSI3ZoneController(libusb_device_handle* dev_handle)
+{
+    dev = dev_handle;
+
+    strcpy(device_name, "MSI 3-Zone Keyboard");
+}
+
+MSI3ZoneController::~MSI3ZoneController()
+{
+
+}
+
+char* MSI3ZoneController::GetDeviceName()
+{
+    return device_name;
+}
+
+void MSI3ZoneController::SetLEDs(std::vector<RGBColor> colors)
+{
+    //Shout out to bparker06 for reverse engineering the MSI keyboard USB protocol!
+    // https://github.com/bparker06/msi-keyboard/blob/master/keyboard.cpp for original implementation
+    unsigned char buf[8] = { 0 };
+
+    buf[0] = 1;
+    buf[1] = 2;
+    buf[2] = 64;
+    buf[3] = 1;
+    buf[4] = RGBGetRValue(colors[0]);
+    buf[5] = RGBGetGValue(colors[0]);
+    buf[6] = RGBGetBValue(colors[0]);
+    buf[7] = 236;
+
+    libusb_control_transfer(dev, LIBUSB_DT_HID, LIBUSB_REQUEST_SET_CONFIGURATION, 0x0300, 0x03, buf, 8, 0);
+
+    buf[3] = 2;
+    buf[4] = RGBGetRValue(colors[1]);
+    buf[5] = RGBGetGValue(colors[1]);
+    buf[6] = RGBGetBValue(colors[1]);
+
+    libusb_control_transfer(dev, LIBUSB_DT_HID, LIBUSB_REQUEST_SET_CONFIGURATION, 0x0300, 0x03, buf, 8, 0);
+
+    buf[3] = 3;
+    buf[4] = RGBGetRValue(colors[2]);
+    buf[5] = RGBGetGValue(colors[2]);
+    buf[6] = RGBGetBValue(colors[2]);
+
+    libusb_control_transfer(dev, LIBUSB_DT_HID, LIBUSB_REQUEST_SET_CONFIGURATION, 0x0300, 0x03, buf, 8, 0);
+
+    buf[3] = 4;
+    buf[4] = RGBGetRValue(colors[3]);
+    buf[5] = RGBGetGValue(colors[3]);
+    buf[6] = RGBGetBValue(colors[3]);
+
+    libusb_control_transfer(dev, LIBUSB_DT_HID, LIBUSB_REQUEST_SET_CONFIGURATION, 0x0300, 0x03, buf, 8, 0);
+
+    buf[3] = 5;
+
+    libusb_control_transfer(dev, LIBUSB_DT_HID, LIBUSB_REQUEST_SET_CONFIGURATION, 0x0300, 0x03, buf, 8, 0);
+
+    buf[3] = 6;
+
+    libusb_control_transfer(dev, LIBUSB_DT_HID, LIBUSB_REQUEST_SET_CONFIGURATION, 0x0300, 0x03, buf, 8, 0);
+
+    buf[3] = 7;
+
+    libusb_control_transfer(dev, LIBUSB_DT_HID, LIBUSB_REQUEST_SET_CONFIGURATION, 0x0300, 0x03, buf, 8, 0);
+}

Controllers/MSI3ZoneController/MSI3ZoneController.h

@@ -0,0 +1,30 @@
+/*-----------------------------------------*\
+|  MSI3ZoneController.h                     |
+|                                           |
+|  Definitions and types for MSI/Steelseries|
+|  3-Zone Keyboard lighting controller      |
+|                                           |
+|  Adam Honse (CalcProgrammer1) 12/25/2019  |
+\*-----------------------------------------*/
+
+#include "RGBController.h"
+
+#include <string>
+#include <libusb-1.0/libusb.h>
+
+#pragma once
+
+class MSI3ZoneController
+{
+public:
+    MSI3ZoneController(libusb_device_handle* dev_handle);
+    ~MSI3ZoneController();
+
+    char* GetDeviceName();
+
+    void SetLEDs(std::vector<RGBColor> colors);
+    
+private:
+    char                    device_name[32];
+    libusb_device_handle*   dev;
+};

Controllers/MSI3ZoneController/MSI3ZoneControllerDetect.cpp

@@ -0,0 +1,38 @@
+#include "MSI3ZoneController.h"
+#include "RGBController.h"
+#include "RGBController_MSI3Zone.h"
+#include <vector>
+#include <libusb-1.0/libusb.h>
+
+#define MSI_3_ZONE_KEYBOARD_VID 0x1770
+#define MSI_3_ZONE_KEYBOARD_PID 0xFF00
+
+/******************************************************************************************\
+*                                                                                          *
+*   DetectMSI3ZoneControllers                                                              *
+*                                                                                          *
+*       Tests the USB address to see if an MSI/SteelSeries 3-zone Keyboard controller      *
+*       exists there.                                                                      *
+*                                                                                          *
+\******************************************************************************************/
+
+void DetectMSI3ZoneControllers(std::vector<RGBController*>& rgb_controllers)
+{
+    libusb_context * ctx;
+    libusb_init(&ctx);
+
+    //Look for MSI/Steelseries 3-zone Keyboard
+    libusb_device_handle * dev = libusb_open_device_with_vid_pid(ctx, MSI_3_ZONE_KEYBOARD_VID, MSI_3_ZONE_KEYBOARD_PID);
+
+    if( dev )
+    {
+        libusb_detach_kernel_driver(dev, 1);
+        libusb_claim_interface(dev, 1);
+
+        MSI3ZoneController* controller = new MSI3ZoneController(dev);
+
+        RGBController_MSI3Zone* rgb_controller = new RGBController_MSI3Zone(controller);
+
+        rgb_controllers.push_back(rgb_controller);
+    }
+}